I'm having a problem identifying accurate shipping costs. I only have one product however it has 4 variations (3 pack, 5 pack, 10 pack and 100 pack). Amazon has asked me to identify my shipping costs however those costs change of course depending upon where my product is being shipped and what "pack" the customer orders. Can I have Amazon estimate the shipping costs for the locations my product is being mailed to and have them charge the customer that amount? When I "set" a shipping costs, I end up losing money on shipping as the shipping costs are higher than what Amazon will allow me to charge. For example: an order comes in for one of my 3-pack's of bucket spacers and the order is to be mailed to Mississippi. I have my shipping costs set to $4.92 for a 3-pack however, the cost to mail one of my 3-packs to Mississippi is $5.27. The customer is only charged $4.92 so I end up eating the difference. When I try to manually adjust my shipping costs, Amazon tells me that it's too high?

Matt and Jon, I just finished up the packaging module. Outstanding! Nice work. My product is all single units and I plan on selling them in groups of 3, 5 and 10. Can I send a box of 48 spacers (they are coming to me in individual boxes with 48 in each box) to Amazon and have Amazon separate them into groups of 3, 5, and 10, place them in a bag and fill the order as the order comes in?